1. Faculty of Medicine, Laval University, Quebec City, Quebec, Canada
2. Division of Plastic, Reconstructive and Aesthetic Surgery, McGill University, Montreal, Quebec, Canada
3. Division of Plastic Surgery, University of British Columbia, Vancouver, British Columbia, Canada
4. Division of Plastic Surgery, Baylor College of Medicine, Houston, Texas, USA
5. Division of Plastic Surgery, Mayo Clinic, Phoenix, Arizona, USA